gettext: update macros from gettext

[Bruno Haible]

2017-05-18  Bruno Haible  <address@hidden>

        gettext: Update macros from gettext git.
        * m4/intldir.m4: Require Autoconf >= 2.60.
        * m4/progtest.m4: Fix typos in copyright notice.

diff --git a/m4/intldir.m4 b/m4/intldir.m4
index c688f46..8d74bda 100644
--- a/m4/intldir.m4
+++ b/m4/intldir.m4
@@ -1,5 +1,5 @@
-# intldir.m4 serial 2 (gettext-0.18)
-dnl Copyright (C) 2006, 2009-2014, 2016 Free Software Foundation, Inc.
+# intldir.m4 serial 3 (gettext-0.19.9)
+dnl Copyright (C) 2006, 2009-2014, 2016-2017 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -13,7 +13,7 @@ dnl by the GNU Library General Public License, and the rest 
of the GNU
 dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
-AC_PREREQ([2.52])
+AC_PREREQ([2.60])
 
 dnl Tells the AM_GNU_GETTEXT macro to consider an intl/ directory.
 AC_DEFUN([AM_GNU_GETTEXT_INTL_SUBDIR], [])
diff --git a/m4/progtest.m4 b/m4/progtest.m4
index 3f39135..303bc31 100644
--- a/m4/progtest.m4
+++ b/m4/progtest.m4
@@ -4,13 +4,13 @@ dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 dnl
-dnl This file can can be used in projects which are not available under
+dnl This file can be used in projects which are not available under
 dnl the GNU General Public License or the GNU Library General Public
 dnl License but which still want to provide support for the GNU gettext
 dnl functionality.
 dnl Please note that the actual code of the GNU gettext library is covered
 dnl by the GNU Library General Public License, and the rest of the GNU
-dnl gettext package package is covered by the GNU General Public License.
+dnl gettext package is covered by the GNU General Public License.
 dnl They are *not* in the public domain.
 
 dnl Authors: